Storage bag and combined solar device

ABSTRACT

Provided are a storage bag and a combined solar device, relating to the technical field of solar devices. The storage bag is used for storing a bifacial solar panel and includes a first bag body and a second bag body. A first reflective layer is disposed on an inner side of the first bag body. The second bag body is connected to the first bag body. A second reflective layer is disposed on an inner side of the second bag body. In the storage bag, the first reflective layer and the second reflective layer are disposed on the inner side of the first bag body and the inner side of the second bag body respectively, improving the power generation efficiency of the bifacial solar panel and saving the need for a user to carry a separate reflective member, thereby improving the user experience.

This application claims priority to Chinese Patent Application No.202210849510.0 filed Jul. 19, 2022, the disclosure of which isincorporated herein by reference in its entirety.

TECHNICAL FIELD

The present disclosure relates to the technical field of solar devicesand, in particular, to a storage bag and a combined solar device.

BACKGROUND

Since both the light-receiving surface and the backlight surface of abifacial solar cell can generate power, the general power generationefficiency of the bifacial solar cell is higher than that of amonofacial solar cell. Therefore, bifacial solar cells are used for moreand more solar panels. Since the back of a bifacial solar panel has alow light flux, a separate reflective member generally needs to beprovided to improve the power generation efficiency of the back of thebifacial solar panel. In a portable use scenario such as an outdooractivity, a user needs to store and carry the separate reflectivemember, bringing about inconvenience to the user.

Therefore, there is an urgent need for a storage bag and a combinedsolar device to solve the preceding problem.

SUMMARY

A storage bag is provided. The storage bag is used for storing abifacial solar panel. The storage bag includes a first bag body and asecond bag body.

A first reflective layer is disposed on an inner side of the first bagbody.

The second bag body is connected to the first bag body, where a secondreflective layer is disposed on an inner side of the second bag body.

In a solution of the storage bag, the first bag body is movablyconnected to the second bag body, the second bag body is laid flat, andthe storage bag also includes a position maintaining assembly formaintaining the included angle between the first bag body and the secondbag body.

In a solution of the storage bag, the position maintaining assemblyincludes a first end and a second end that are opposite to each other,where the first end is connected to the first bag body and the secondend is connected to one of the second bag body, the bifacial solarpanel, or the ground.

In a solution of the storage bag, the distance between the second endand the first end is adjustable.

In a solution of the storage bag, the position maintaining assembly isconfigured to be a flexible structure and also includes a body, wherethe first end and the second end are disposed at two opposite ends ofthe body, the second end is connectable to the body so that the secondend and the body form an annular structure, the annular structure isconfigured to be sleeved on the bifacial solar panel, and the positionwhere the second end is connected to the body is adjustable.

In a solution of the storage bag, the position maintaining assembly alsoincludes a first portion and a second portion that are telescopicallyconnected to each other, where the first end is formed at the firstportion and away from the second portion, the second end is formed atthe second portion and away from the first portion, and the secondportion is slidable in a length direction of the first portion to adjustthe distance between the second end and the first end.

In a solution of the storage bag, the position maintaining assembly alsoincludes a limiting strap, where two ends of the limiting strap areconfigured to be the first end and the second end respectively, thefirst end is rotatably connected to the first bag body, the second endis connected to the second bag body or the bifacial solar panel, or theposition maintaining assembly also includes a fastening nail, where thefastening nail is secured to the ground and the second end is connectedto the fastening nail.

In a solution of the storage bag, the position maintaining assemblyincludes a fixing lug and a support rod, where the fixing lug isdisposed on a side of the first bag body, an upper end of the supportrod is inserted into the fixing lug, and a lower end of the support rodis pressed against the ground.

In a solution of the storage bag, the position maintaining assemblyincludes a support member disposed on a surface of the first bag bodyfacing away from the second bag body, where one end of the supportmember is connected to the first bag body and another end of the supportmember is pressed against the ground.

In a second aspect, a combined solar device is provided. The combinedsolar device includes a bifacial solar panel and the preceding storagebag, where the bifacial solar panel includes a panel assembly and asupport, an upper end of the support is connected to an upper side ofthe panel assembly, and a lower end of the support abuts against thesecond bag body.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 is a structural view of a combined solar device according toembodiment one of the present disclosure.

FIG. 2 is a structural view of a combined solar device according toembodiment two of the present disclosure.

FIG. 3 is a structural view of a combined solar device according toembodiment three

of the present disclosure.

FIG. 4 is a structural view of a combined solar device according toembodiment four of the present disclosure.

FIG. 5 is a structural view of a combined solar device according toembodiment five of the present disclosure.

DETAILED DESCRIPTION

To make solved problems, provided solutions, and achieved effects of thepresent disclosure clearer, the solutions in the embodiments of thepresent disclosure are described in detail below in conjunction with thedrawings. Apparently, the embodiments described below are part, not all,of the embodiments of the present disclosure. Based on the embodimentsof the present disclosure, all other embodiments obtained by thoseskilled in the art are within the scope of the present disclosure on thepremise that no creative work is done.

Embodiment one

As shown in FIG. 1 , this embodiment provides a combined solar device100 including a storage bag 1 and a bifacial solar panel 2. When thebifacial solar panel 2 is not used, the storage bag 1 is closed and thebifacial solar panel 2 is stored in the storage bag 1; and when thebifacial solar panel 2 is used, the storage bag 1 is used for reflectingsunlight to the back of the bifacial solar panel 2 so as to improve thepower generation efficiency of the bifacial solar panel 2.

As shown in FIG. 1 , the storage bag 1 includes a first bag body 11 anda second bag body 12, where the first bag body 11 and the second bagbody 12 are made of cloth, one side of the first bag body 11 isconnected to the second bag body 12, the upper side of the first bagbody 11 is provided with an annular hook 112, and the other side of thefirst bag body 11 is connected to the second bag body 12 through azipper. A first reflective layer 111 is integrally disposed on the innerside of the first bag body 11, and a second reflective layer 121 isintegrally disposed on the inner side of the second bag body 12. Thefirst reflective layer 111 and the second reflective g layer 121 aremade of a reflective material such as tin foil, aluminum foil, and analuminized polyethylene terephthalate (PET) film. Multiple trenches aredisposed in an array on the first reflective layer 111 and the secondreflective layer 121, thereby improving the capability of the firstreflective layer 111 and the second reflective layer 121 to performdiffuse reflection.

In an embodiment, in the storage bag 1 provided by this embodiment, thefirst reflective layer 111 and the second reflective layer 121 aredisposed on the inner side of the first bag body 11 and the inner sideof the second bag body 12 respectively so that after the storage bag 1is unfolded, a reflective structure is provided for the bifacial solarpanel 2 obliquely supported on the storage bag 1, and the firstreflective layer and the second reflective layer reflect the sunlight tothe back of the bifacial solar panel 2 facing downward, improving thepower generation efficiency of the bifacial solar panel 2 and saving theneed for the user to carry the separate reflective member, therebyimproving the user experience.

In an embodiment, the second bag body 12 is laid flat, the first bagbody 11 is movably connected to the second bag body 12, and in anembodiment, the first bag body 11 is rotatably connected to the secondbag body 12 so that an included angle of the first bag body 11 relativeto the second bag body 12 is adjustable. The storage bag 1 also includesa position maintaining assembly for maintaining the included anglebetween the first bag body 11 and the second bag body 12.

In an embodiment, the position maintaining assembly includes a first end131 and a second end 132 that are opposite to each other, where thefirst end 131 is connected to the first bag body 11 and the second end132 is connected to the bifacial solar panel 2.

In an embodiment, the distance between the second end 132 and the firstend 131 is adjustable.

In an embodiment, the position maintaining assembly is configured to bea flexible structure and also includes a body 130, where the first end131 and the second end 132 are disposed at two opposite ends of the body130, the second end 132 is connectable to the body 130 so that thesecond end 132 and the body 130 form an annular structure, the annularstructure can be sleeved on the bifacial solar panel 2, and the positionwhere the second end 132 is connected to the body 130 is adjustable. Inthis embodiment, the position maintaining assembly includes a limitingstrap 133, where two ends of the limiting strap 133 are configured to bethe first end 131 and the second end 132 respectively, the first end 131is rotatably connected to the first bag body 11, and the second end 132is connected to the bifacial solar panel 2. A male snap is disposed onthe first end 131, a female snap is disposed on the body 130, ahook-and-loop fastener is disposed on one side of the second end 132, ahook-and-loop fastener is disposed on one side of the body 130, thehook-and-loop fastener on the body 130 is extended to a certain length,and there is a certain distance between the hook-and-loop fastener andthe female snap.

The bifacial solar panel 2 includes a panel assembly 21, a support 22,and a handle 23. A bifacial solar cell is disposed in the panel assembly21. The handle 23 is disposed on the upper side of the panel assembly21. A grip area is disposed on the handle 23. The support 22 is disposedon the backlight surface of the panel assembly 21. The upper end of thesupport 22 is rotatably connected to the upper end of the panel assembly21. The lower end of the support 22 is a free end. The support 22 is ahollow structure to ensure more light reflected onto the back of thepanel assembly 21.

When not used, the bifacial solar panel 2 is stored in the storage bag1. When the bifacial solar panel 2 is used, the second bag body 12 islaid flat on the ground, the bifacial solar panel 2 is disposed on thesecond bag body 12 in a removable manner, the lower side of the bifacialsolar panel 2 and the lower side of the support 22 are disposed on thesecond bag body 12, and the support 22 is opened at an angle such thatthe light-receiving surface of the bifacial solar panel 2 faces thesunlight. The first end 131 of the limiting strap 133 penetrates throughthe hook 112 of the first bag body 11 and mates with the female snap onthe body 130 of the limiting strap 133 through the male snap of thefirst end 131 such that one end of the limiting strap 133 is connectedto the first bag body 11. The second end 132 of the limiting strap 133penetrates through the handle 23 of the bifacial solar panel 2 and mateswith the hook-and-loop fastener on the body 130 through thehook-and-loop fastener on the second end 132 such that the second end132 is connected to the bifacial solar panel 2. Thus, the first bag body11 and the second bag body 12 are at a certain angle, and ideally, thefirst bag body 11 is parallel to the panel assembly 21.

Since the hook-and-loop fastener on the body 130 has a certain length onthe body 130, the position of the hook-and-loop fastener on the secondend 132 and the position of the hook- and-loop fastener on the body 130are adjusted so that the distance between the second end 132 of theposition maintaining assembly and the first end 131 of the positionmaintaining assembly is adjusted. Thus, the angle between the first bagbody 11 and the second bag body 12 is adjusted such that the first bagbody 11 is parallel to the panel assembly 21.

It is to be understood that in order that the distance between thesecond end 132 and the first end 131 is adjustable, in some otherembodiments, a male snap may also be disposed on the second end 132,multiple female snaps are spaced apart on a side of the body 130adjacent to the second end 132, and the position where the male snap onthe second end 132 is adapted to the female snaps on the body 130 isadjusted so that the distance between the second end 132 of the limitingstrap 133 and the first end 131 of the limiting strap 133 is adjustable.

It is to be understood that in some other embodiments, the positionmaintaining assembly includes a first portion and a second portion thatare connected to each other, where the first end 131 is formed at thefirst portion and away from the second portion, the second end 132 isformed at the second portion and away from the first portion, and thesecond portion is slidable in a length direction of the first portion toadjust the distance between the second end 132 and the first end 131.

The combined solar device 100 provided by the present disclosure has thebeneficial effects described below.

1. The reflective layers are disposed on the inner sides of the storagebag 1 so that the power generation efficiency of the bifacial solarpanel 2 is improved and the user does not need to carry the separatereflective member, thereby improving the user experience.

2. The position maintaining assembly maintains the first bag body 11 ata preset angle relative to the second bag body 12 such that the firstbag body 11 is parallel to the panel assembly 21 of the bifacial solarpanel 2, thereby improving the power generation efficiency of the backof the bifacial solar panel 2.

3. The position maintaining assembly is flexible so that when thebifacial solar panel is not used, the limiting strap 133 iswindable/foldable to save space.

4. The distance between the second end 132 of the position maintainingassembly and the first end 131 of the position maintaining assembly isadjustable so that the angle between the first bag body 11 and thesecond bag body 12 is adjustable. Thus, the first bag body 11 isadjustable as the angle of the panel assembly 21 of the bifacial solarpanel 2 is adjusted, thereby improving the efficiency of the bifacialsolar panel 2.

Embodiment two

As shown in FIG. 2 , this embodiment provides another combined solardevice 100 and another storage bag 1, and the storage bag 1 provided bythis embodiment differs from the storage bag 1 provided by embodimentone in that two hooks 112 are disposed on a first bag body 11, the twohooks 112 are disposed on the left side of the first bag body 11 and theright side of the first bag body 11 respectively, two positionmaintaining assemblies are correspondingly provided, two first ends 131are connected to the two hooks 112 in a one-to-one manner, and twosecond ends 132 are connected to two sides of a second bag body 12 in aone-to-one manner.

Embodiment three

As shown in FIG. 3 , this embodiment provides another combined solardevice 100 and another storage bag 1, and the storage bag 1 provided bythis embodiment differs from the storage bag 1 provided by embodimenttwo in that the position maintaining assemblies also include twofastening nails 134 that are secured to the ground on two sides of thesecond bag body 12 in a one-to-one manner, and second ends 132 of thetwo position maintaining assemblies are connected to the two fasteningnails 134 in a one-to-one manner.

Embodiment four

As shown in FIG. 4 , this embodiment provides another combined solardevice 100 and another storage bag 1, and the storage bag 1 provided bythis embodiment differs from the storage bag 1 provided by embodimenttwo in that each of position maintaining assemblies includes a fixinglug 135 and a support rod 136, two fixing lugs 135 are disposed on theleft and right sides of a first bag body 11, the upper end of thesupport rod 136 is inserted into the fixing lug 135, and the lower endof the support rod 136 is pressed against the ground, thereby definingthe included angle between the first bag body 11 and the ground.

In an embodiment, the fixing lug 135 is rotatably connected to the firstbag body 11 about a horizontal axis, and the support rod 136 isconfigured to be a telescopic rod structure, or the position where thesupport rod 136 is connected to the fixing lug 135 is adjustable,thereby facilitating the adjustment of the included angle between thefirst bag body 11 and the ground.

Embodiment five

As shown in FIG. 5 , this embodiment provides another combined solardevice 100 and another storage bag 1, and the storage bag 1 provided bythis embodiment differs from the storage bag 1 provided by embodimentone in that a position maintaining assembly includes a support memberdisposed on a surface of a first bag body 11 facing away from a secondbag body 12, one end of the support member is connected to the first bagbody 11, and the other end of the support member is pressed against theground, thereby defining the included angle between the first bag body11 and the ground.

In an embodiment, the support member is rotatably connected to the firstbag body 11 about a horizontal axis, and the included angle between thesupport member and the first bag body 11 may be fixed to multipledegrees such as 30 degrees, 45 degrees, 60 degrees, and 90 degrees, soas to facilitate the adjustment of the included angle between the firstbag body 11 and the ground.

It is to be noted that the preceding are only example embodiments of thepresent disclosure and technical principles used therein. It is to beunderstood by those skilled in the art that the present disclosure isnot limited to the embodiments described herein. Those skilled in theart can make various apparent modifications, adaptations, andsubstitutions without departing from the scope of the presentdisclosure. Therefore, while the present disclosure is described indetail through the preceding embodiments, the present disclosure is notlimited to the preceding embodiments and may include more otherequivalent embodiments without departing from the concept of the presentdisclosure. The scope of the present disclosure is determined by thescope of the appended claims.

What is claimed is:
 1. A storage bag, the storage bag being used forstoring a bifacial solar panel and comprising: a first bag body, whereina first reflective layer is disposed on an inner side of the first bagbody; and a second bag body connected to the first bag body, wherein asecond reflective layer is disposed on an inner side of the second bagbody.
 2. The storage bag according to claim 1, wherein the first bagbody is movably connected to the second bag body, the second bag body islaid flat, and the storage bag further comprises a position maintainingassembly for maintaining an included angle between the first bag bodyand the second bag body.
 3. The storage bag according to claim 2,wherein the position maintaining assembly comprises a first end and asecond end that are opposite to each other, wherein the first end isconnected to the first bag body, and the second end is connected to oneof the second bag body, the bifacial solar panel, or the ground.
 4. Thestorage bag according to claim 3, wherein a distance between the secondend and the first end is adjustable.
 5. The storage bag according toclaim 4, wherein the position maintaining assembly is configured to be aflexible structure and further comprises a body, wherein the first endand the second end are disposed at two opposite ends of the body, thesecond end is connectable to the body so that the second end and thebody form an annular structure, the annular structure is configured tobe sleeved on the bifacial solar panel, and a position where the secondend is connected to the body is adjustable.
 6. The storage bag accordingto claim 4, wherein the position maintaining assembly further comprisesa first portion and a second portion that are telescopically connectedto each other, wherein the first end is formed at the first portion andaway from the second portion, the second end is formed at the secondportion and away from the first portion, and the second portion isslidable in a length direction of the first portion to adjust thedistance between the second end and the first end.
 7. The storage bagaccording to claim 3, wherein the position maintaining assembly furthercomprises a limiting strap, wherein two ends of the limiting strap areconfigured to be the first end and the second end respectively, whereinthe first end is rotatably connected to the first bag body; and thesecond end is connected to one of the second bag body or the bifacialsolar panel; or the position maintaining assembly further comprises afastening nail, wherein the fastening nail is secured to the ground, andthe second end is connected to the fastening nail.
 8. The storage bagaccording to claim 2, wherein the position maintaining assemblycomprises a fixing lug and a support rod, wherein the fixing lug isdisposed on a side of the first bag body, an upper end of the supportrod is inserted in the fixing lug, and a lower end of the support rod ispressed against the ground.
 9. The storage bag according to claim 2,wherein the position maintaining assembly comprises a support memberdisposed on a surface of the first bag body facing away from the secondbag body, wherein one end of the support member is connected to thefirst bag body and another end of the support member is pressed againstthe ground.
 10. A combined solar device, comprising a bifacial solarpanel and a storage bag, wherein the bifacial solar panel comprises apanel assembly and a support, an upper end of the support is connectedto an upper side of the panel assembly, and a lower end of the supportabuts against the second bag body; and the storage bag is used forstoring the bifacial solar panel and comprises: a first bag body,wherein a first reflective layer is disposed on an inner side of thefirst bag body; and a second bag body connected to the first bag body,wherein a second reflective layer is disposed on an inner side of thesecond bag body.
 11. The storage bag according to claim 10, wherein thefirst bag body is movably connected to the second bag body, the secondbag body is laid flat, and the storage bag further comprises a positionmaintaining assembly for maintaining an included angle between the firstbag body and the second bag body.
 12. The storage bag according to claim11, wherein the position maintaining assembly comprises a first end anda second end that are opposite to each other, wherein the first end isconnected to the first bag body, and the second end is connected to oneof the second bag body, the bifacial solar panel, or the ground.
 13. Thestorage bag according to claim 12, wherein a distance between the secondend and the first end is adjustable.
 14. The storage bag according toclaim 13, wherein the position maintaining assembly is configured to bea flexible structure and further comprises a body, wherein the first endand the second end are disposed at two opposite ends of the body, thesecond end is connectable to the body so that the second end and thebody form an annular structure, the annular structure is configured tobe sleeved on the bifacial solar panel, and a position where the secondend is connected to the body is adjustable.
 15. The storage bagaccording to claim 13, wherein the position maintaining assembly furthercomprises a first portion and a second portion that are telescopicallyconnected to each other, wherein the first end is formed at the firstportion and away from the second portion, the second end is formed atthe second portion and away from the first portion, and the secondportion is slidable in a length direction of the first portion to adjustthe distance between the second end and the first end.
 16. The storagebag according to claim 12, wherein the position maintaining assemblyfurther comprises a limiting strap, wherein two ends of the limitingstrap are configured to be the first end and the second endrespectively, wherein the first end is rotatably connected to the firstbag body; and the second end is connected to one of the second bag bodyor the bifacial solar panel; or the position maintaining assemblyfurther comprises a fastening nail, wherein the fastening nail issecured to the ground, and the second end is connected to the fasteningnail.
 17. The storage bag according to claim 11, wherein the positionmaintaining assembly comprises a fixing lug and a support rod, whereinthe fixing lug is disposed on a side of the first bag body, an upper endof the support rod is inserted in the fixing lug, and a lower end of thesupport rod is pressed against the ground.
 18. The storage bag accordingto claim 11, wherein the position maintaining assembly comprises asupport member disposed on a surface of the first bag body facing awayfrom the second bag body, wherein one end of the support member isconnected to the first bag body and another end of the support member ispressed against the ground.